Search a number
-
+
42007822 = 2198912421
BaseRepresentation
bin1010000000111…
…1110100001110
32221001012220021
42200033310032
541223222242
64100212354
71020026533
oct240176416
987035807
1042007822
112179210a
121209a0ba
13891a6cc
145816d8a
153a4bb67
hex280fd0e

42007822 has 16 divisors (see below), whose sum is σ = 67078800. Its totient is φ = 19673280.

The previous prime is 42007813. The next prime is 42007831. The reversal of 42007822 is 22870024.

It is an interprime number because it is at equal distance from previous prime (42007813) and next prime (42007831).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2829 + ... + 9592.

It is an arithmetic number, because the mean of its divisors is an integer number (4192425).

Almost surely, 242007822 is an apocalyptic number.

42007822 is a deficient number, since it is larger than the sum of its proper divisors (25070978).

42007822 is a wasteful number, since it uses less digits than its factorization.

42007822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 42007822 is about 6481.3441507144. The cubic root of 42007822 is about 347.6242421019.

Adding to 42007822 its reverse (22870024), we get a palindrome (64877846).

The spelling of 42007822 in words is "forty-two million, seven thousand, eight hundred twenty-two".

Divisors: 1 2 19 38 89 178 1691 3382 12421 24842 235999 471998 1105469 2210938 21003911 42007822